<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.26.1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>272</ContextCount>
  <ElementCount>250</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>true</FootnotesReported>
  <SegmentCount>65</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>6</UnitCount>
  <MyReports>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>000 - Document - Document And Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/DocumentAndEntityInformation</Role>
      <ShortName>Document And Entity Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>001 - Statement - Condensed Consolidated Balance Sheets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/ConsolidatedBalanceSheet</Role>
      <ShortName>Condensed Consolidated Balance Sheets</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>002 - Statement - Condensed Consolidated Balance Sheets (Parentheticals)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/ConsolidatedBalanceSheet_Parentheticals</Role>
      <ShortName>Condensed Consolidated Balance Sheets (Parentheticals)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>003 - Statement - Condensed Consolidated Statements of Income</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/ConsolidatedIncomeStatement</Role>
      <ShortName>Condensed Consolidated Statements of Income</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>004 - Statement - Condensed Consolidated Statements of Income (Parentheticals)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/ConsolidatedIncomeStatement_Parentheticals</Role>
      <ShortName>Condensed Consolidated Statements of Income (Parentheticals)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>005 - Statement - Condensed Consolidated Statements of Comprehensive Income</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/ConsolidatedComprehensiveIncome</Role>
      <ShortName>Condensed Consolidated Statements of Comprehensive Income</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>006 - Statement - Condensed Consolidated Statements of Equity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/ShareholdersEquityType2or3</Role>
      <ShortName>Condensed Consolidated Statements of Equity</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>007 - Statement - Condensed Consolidated Statements of Cash Flows</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/ConsolidatedCashFlow</Role>
      <ShortName>Condensed Consolidated Statements of Cash Flows</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>008 - Disclosure - NATURE OF BUSINESS AND BASIS OF PRESENTATION</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/NATUREOFBUSINESSANDBASISOFPRESENTATION</Role>
      <ShortName>NATURE OF BUSINESS AND BASIS OF PRESENTATION</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>009 - Disclosure - CASH, CASH EQUIVALENTS AND INVESTMENTS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/CASHCASHEQUIVALENTSANDINVESTMENTS</Role>
      <ShortName>CASH, CASH EQUIVALENTS AND INVESTMENTS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>010 - Disclosure - ACCOUNTS RECEIVABLE, NET</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/ACCOUNTSRECEIVABLENET</Role>
      <ShortName>ACCOUNTS RECEIVABLE, NET</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>011 - Disclosure - INVENTORIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/INVENTORIES</Role>
      <ShortName>INVENTORIES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>012 - Disclosure - PROPERTY, PLANT AND EQUIPMENT, NET</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/PROPERTYPLANTANDEQUIPMENTNET</Role>
      <ShortName>PROPERTY, PLANT AND EQUIPMENT, NET</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>013 - Disclosure - PDMCX JOINT VENTURE</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/PDMCXJOINTVENTURE</Role>
      <ShortName>PDMCX JOINT VENTURE</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>014 - Disclosure - DEBT</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/DEBT</Role>
      <ShortName>DEBT</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>015 - Disclosure - REVENUE</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/REVENUE</Role>
      <ShortName>REVENUE</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>016 - Disclosure - SHARE-BASED COMPENSATION</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/SHAREBASEDCOMPENSATION</Role>
      <ShortName>SHARE-BASED COMPENSATION</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>017 - Disclosure - INCOME TAXES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/INCOMETAXES</Role>
      <ShortName>INCOME TAXES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>018 - Disclosure - EARNINGS PER SHARE</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/EARNINGSPERSHARE</Role>
      <ShortName>EARNINGS PER SHARE</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>019 - Disclosure - COMMITMENTS AND CONTINGENCIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/COMMITMENTSANDCONTINGENCIES</Role>
      <ShortName>COMMITMENTS AND CONTINGENCIES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>020 - Disclosure - CHANGES IN ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) BY COMPONENT</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/CHANGESINACCUMULATEDOTHERCOMPREHENSIVEINCOMELOSSBYCOMPONENT</Role>
      <ShortName>CHANGES IN ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) BY COMPONENT</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>021 - Disclosure - SHARE REPURCHASE PROGRAM</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/SHAREREPURCHASEPROGRAM</Role>
      <ShortName>SHARE REPURCHASE PROGRAM</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>022 - Disclosure - SEGMENT REPORTING</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/SEGMENTREPORTING</Role>
      <ShortName>SEGMENT REPORTING</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>995410 - Disclosure - Pay vs Performance Disclosure</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/ecd/role/PvpDisclosure</Role>
      <ShortName>Pay vs Performance Disclosure</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>995445 - Disclosure - Insider Trading Arrangements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements</Role>
      <ShortName>Insider Trading Arrangements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>25</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>996000 - Disclosure - Accounting Policies, by Policy (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/AccountingPoliciesByPolicy</Role>
      <ShortName>Accounting Policies, by Policy (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <Position>26</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>996001 - Disclosure - CASH, CASH EQUIVALENTS AND INVESTMENTS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/CASHCASHEQUIVALENTSANDINVESTMENTSTables</Role>
      <ShortName>CASH, CASH EQUIVALENTS AND INVESTMENTS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://photronics.com/role/CASHCASHEQUIVALENTSANDINVESTMENTS</ParentRole>
      <Position>27</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>996002 - Disclosure - ACCOUNTS RECEIVABLE, NET (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/ACCOUNTSRECEIVABLENETTables</Role>
      <ShortName>ACCOUNTS RECEIVABLE, NET (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://photronics.com/role/ACCOUNTSRECEIVABLENET</ParentRole>
      <Position>28</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>996003 - Disclosure - INVENTORIES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/INVENTORIESTables</Role>
      <ShortName>INVENTORIES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://photronics.com/role/INVENTORIES</ParentRole>
      <Position>29</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>996004 - Disclosure - PROPERTY, PLANT AND EQUIPMENT, NET (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/PROPERTYPLANTANDEQUIPMENTNETTables</Role>
      <ShortName>PROPERTY, PLANT AND EQUIPMENT, NET (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://photronics.com/role/PROPERTYPLANTANDEQUIPMENTNET</ParentRole>
      <Position>30</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>996005 - Disclosure - PDMCX JOINT VENTURE (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/PDMCXJOINTVENTURETables</Role>
      <ShortName>PDMCX JOINT VENTURE (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://photronics.com/role/PDMCXJOINTVENTURE</ParentRole>
      <Position>31</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>996006 - Disclosure - DEBT (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/DEBTTables</Role>
      <ShortName>DEBT (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://photronics.com/role/DEBT</ParentRole>
      <Position>32</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>996007 - Disclosure - REVENUE (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/REVENUETables</Role>
      <ShortName>REVENUE (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://photronics.com/role/REVENUE</ParentRole>
      <Position>33</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>996008 - Disclosure - SHARE-BASED COMPENSATION (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/SHAREBASEDCOMPENSATIONTables</Role>
      <ShortName>SHARE-BASED COMPENSATION (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://photronics.com/role/SHAREBASEDCOMPENSATION</ParentRole>
      <Position>34</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>996009 - Disclosure - INCOME TAXES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/INCOMETAXESTables</Role>
      <ShortName>INCOME TAXES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://photronics.com/role/INCOMETAXES</ParentRole>
      <Position>35</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>996010 - Disclosure - EARNINGS PER SHARE (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/EARNINGSPERSHARETables</Role>
      <ShortName>EARNINGS PER SHARE (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://photronics.com/role/EARNINGSPERSHARE</ParentRole>
      <Position>36</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>996011 - Disclosure - CHANGES IN ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) BY COMPONENT (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/CHANGESINACCUMULATEDOTHERCOMPREHENSIVEINCOMELOSSBYCOMPONENTTables</Role>
      <ShortName>CHANGES IN ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) BY COMPONENT (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://photronics.com/role/CHANGESINACCUMULATEDOTHERCOMPREHENSIVEINCOMELOSSBYCOMPONENT</ParentRole>
      <Position>37</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>996012 - Disclosure - SEGMENT REPORTING (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/SEGMENTREPORTINGTables</Role>
      <ShortName>SEGMENT REPORTING (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://photronics.com/role/SEGMENTREPORTING</ParentRole>
      <Position>38</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>996013 - Disclosure - NATURE OF BUSINESS AND BASIS OF PRESENTATION (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/NATUREOFBUSINESSANDBASISOFPRESENTATIONDetails</Role>
      <ShortName>NATURE OF BUSINESS AND BASIS OF PRESENTATION (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://photronics.com/role/NATUREOFBUSINESSANDBASISOFPRESENTATION</ParentRole>
      <Position>39</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>996014 - Disclosure - CASH, CASH EQUIVALENTS AND INVESTMENTS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/CASHCASHEQUIVALENTSANDINVESTMENTSDetails</Role>
      <ShortName>CASH, CASH EQUIVALENTS AND INVESTMENTS (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://photronics.com/role/CASHCASHEQUIVALENTSANDINVESTMENTSTables</ParentRole>
      <Position>40</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>996015 - Disclosure - CASH, CASH EQUIVALENTS AND INVESTMENTS - CASH, CASH EQUIVALENTS AND INVESTMENTS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/CASHCASHEQUIVALENTSANDINVESTMENTSTable</Role>
      <ShortName>CASH, CASH EQUIVALENTS AND INVESTMENTS - CASH, CASH EQUIVALENTS AND INVESTMENTS (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>41</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>996016 - Disclosure - ACCOUNTS RECEIVABLE, NET - ACCOUNTS RECEIVABLE, NET (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/ACCOUNTSRECEIVABLENETTable</Role>
      <ShortName>ACCOUNTS RECEIVABLE, NET - ACCOUNTS RECEIVABLE, NET (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>42</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>996017 - Disclosure - INVENTORIES - INVENTORIES (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/INVENTORIESTable</Role>
      <ShortName>INVENTORIES - INVENTORIES (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>43</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>996018 - Disclosure - PROPERTY, PLANT AND EQUIPMENT, NET - Components of Property, Plant and Equipment, Net (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/ComponentsofPropertyPlantandEquipmentNetTable</Role>
      <ShortName>PROPERTY, PLANT AND EQUIPMENT, NET - Components of Property, Plant and Equipment, Net (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>44</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>996019 - Disclosure - PROPERTY, PLANT AND EQUIPMENT, NET - Information on ROU Assets from Finance Leases (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/InformationonROUAssetsfromFinanceLeasesTable</Role>
      <ShortName>PROPERTY, PLANT AND EQUIPMENT, NET - Information on ROU Assets from Finance Leases (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>45</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>996020 - Disclosure - PROPERTY, PLANT AND EQUIPMENT, NET - Depreciation Expense (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/DepreciationExpenseTable</Role>
      <ShortName>PROPERTY, PLANT AND EQUIPMENT, NET - Depreciation Expense (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>46</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>996021 - Disclosure - PDMCX JOINT VENTURE (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/PDMCXJOINTVENTUREDetails</Role>
      <ShortName>PDMCX JOINT VENTURE (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://photronics.com/role/PDMCXJOINTVENTURETables</ParentRole>
      <Position>47</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>996022 - Disclosure - PDMCX JOINT VENTURE - Net Income Recorded from Operations (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/NetIncomeRecordedfromOperationsTable</Role>
      <ShortName>PDMCX JOINT VENTURE - Net Income Recorded from Operations (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>48</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>996023 - Disclosure - PDMCX JOINT VENTURE - Carrying Amounts and Exposure to Loss Related to Assets and Liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/CarryingAmountsandExposuretoLossRelatedtoAssetsandLiabilitiesTable</Role>
      <ShortName>PDMCX JOINT VENTURE - Carrying Amounts and Exposure to Loss Related to Assets and Liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>49</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>996024 - Disclosure - DEBT (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/DEBTDetails</Role>
      <ShortName>DEBT (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://photronics.com/role/DEBTTables</ParentRole>
      <Position>50</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>996025 - Disclosure - DEBT - Long-term Debt (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/LongtermDebtTable</Role>
      <ShortName>DEBT - Long-term Debt (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>51</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>996026 - Disclosure - REVENUE (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/REVENUEDetails</Role>
      <ShortName>REVENUE (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://photronics.com/role/REVENUETables</ParentRole>
      <Position>52</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>996027 - Disclosure - REVENUE - Contract Balances (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/ContractBalancesTable</Role>
      <ShortName>REVENUE - Contract Balances (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>53</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>996028 - Disclosure - REVENUE - Disaggregation of Revenue (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/DisaggregationofRevenueTable</Role>
      <ShortName>REVENUE - Disaggregation of Revenue (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>54</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>996029 - Disclosure - SHARE-BASED COMPENSATION (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/SHAREBASEDCOMPENSATIONDetails</Role>
      <ShortName>SHARE-BASED COMPENSATION (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://photronics.com/role/SHAREBASEDCOMPENSATIONTables</ParentRole>
      <Position>55</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>996030 - Disclosure - SHARE-BASED COMPENSATION - Share-based Compensation Expenses (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/SharebasedCompensationExpensesTable</Role>
      <ShortName>SHARE-BASED COMPENSATION - Share-based Compensation Expenses (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>56</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>996031 - Disclosure - SHARE-BASED COMPENSATION - Restricted Stock Awards Activity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/RestrictedStockAwardsActivityTable</Role>
      <ShortName>SHARE-BASED COMPENSATION - Restricted Stock Awards Activity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>57</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>996032 - Disclosure - SHARE-BASED COMPENSATION - Restricted Stock Units Activity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/RestrictedStockUnitsActivityTable</Role>
      <ShortName>SHARE-BASED COMPENSATION - Restricted Stock Units Activity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>58</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>996033 - Disclosure - SHARE-BASED COMPENSATION - Stock Options Activity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/StockOptionsActivityTable</Role>
      <ShortName>SHARE-BASED COMPENSATION - Stock Options Activity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>59</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>996034 - Disclosure - SHARE-BASED COMPENSATION - Outstanding and Exercisable Option (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/OutstandingandExercisableOptionTable</Role>
      <ShortName>SHARE-BASED COMPENSATION - Outstanding and Exercisable Option (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>60</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>996035 - Disclosure - INCOME TAXES - Reconciliation of Effective Income Tax Rates from U.S. Statutory Tax Rates (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/ReconciliationofEffectiveIncomeTaxRatesfromUSStatutoryTaxRatesTable</Role>
      <ShortName>INCOME TAXES - Reconciliation of Effective Income Tax Rates from U.S. Statutory Tax Rates (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>61</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>996036 - Disclosure - INCOME TAXES - Unrecognized Tax Benefits (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/UnrecognizedTaxBenefitsTable</Role>
      <ShortName>INCOME TAXES - Unrecognized Tax Benefits (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>62</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>996037 - Disclosure - EARNINGS PER SHARE - Calculation of Basic and Diluted Earnings Per Share (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/CalculationofBasicandDilutedEarningsPerShareTable</Role>
      <ShortName>EARNINGS PER SHARE - Calculation of Basic and Diluted Earnings Per Share (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>63</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>996038 - Disclosure - EARNINGS PER SHARE - Outstanding Securities Excluded from Calculation of Diluted Earnings or Loss Per Share (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/OutstandingSecuritiesExcludedfromCalculationofDilutedEarningsorLossPerShareTable</Role>
      <ShortName>EARNINGS PER SHARE - Outstanding Securities Excluded from Calculation of Diluted Earnings or Loss Per Share (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>64</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>996039 - Disclosure - CHANGES IN ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) BY COMPONENT - Changes in Accumulated Other Comprehensive Income (Loss) by Component (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/ChangesinAccumulatedOtherComprehensiveIncomeLossbyComponentTable</Role>
      <ShortName>CHANGES IN ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) BY COMPONENT - Changes in Accumulated Other Comprehensive Income (Loss) by Component (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://photronics.com/role/CHANGESINACCUMULATEDOTHERCOMPREHENSIVEINCOMELOSSBYCOMPONENTTables</ParentRole>
      <Position>65</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>996040 - Disclosure - SHARE REPURCHASE PROGRAM (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/SHAREREPURCHASEPROGRAMDetails</Role>
      <ShortName>SHARE REPURCHASE PROGRAM (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://photronics.com/role/SHAREREPURCHASEPROGRAM</ParentRole>
      <Position>66</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>996041 - Disclosure - SEGMENT REPORTING (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/SEGMENTREPORTINGDetails</Role>
      <ShortName>SEGMENT REPORTING (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://photronics.com/role/SEGMENTREPORTINGTables</ParentRole>
      <Position>67</Position>
    </Report>
    <Report instance="ef20070467_10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>996042 - Disclosure - SEGMENT REPORTING - Selected Financial Information of Operating Segment (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://photronics.com/role/SelectedFinancialInformationofOperatingSegmentTable</Role>
      <ShortName>SEGMENT REPORTING - Selected Financial Information of Operating Segment (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>68</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File doctype="10-Q" isDefinitelyFs="true" isUsgaap="true" original="ef20070467_10q.htm">ef20070467_10q.htm</File>
    <File>plab-20260503.xsd</File>
    <File>plab-20260503_cal.xml</File>
    <File>plab-20260503_def.xml</File>
    <File>plab-20260503_lab.xml</File>
    <File>plab-20260503_pre.xml</File>
  </InputFiles>
  <SupplementalFiles>
    <File>image01.jpg</File>
  </SupplementalFiles>
  <BaseTaxonomies>
    <BaseTaxonomy items="4">http://fasb.org/srt/2025</BaseTaxonomy>
    <BaseTaxonomy items="936">http://fasb.org/us-gaap/2025</BaseTaxonomy>
    <BaseTaxonomy items="29">http://xbrl.sec.gov/dei/2025</BaseTaxonomy>
    <BaseTaxonomy items="4">http://xbrl.sec.gov/ecd/2025</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
